lingvigilo[source] - computer language
learning system based on help from native speakers.

Schemes of Esperanto grammar for Catalans [PDF]
- Summary of Esperanto rules with examples in two A4 pages,
specially compiled for a quick course
for Catalan speakers. I created it for the Mataró congress in 2005, and
controlled it again for another congress in 2006.

tcpscript - This allows different
people look at the same terminal window through the net. Similar to VNC, but for
terminals. The users looking at the terminal simply need a telnet client.
(Obsoleted by tm)